CVE-2020-11067
High
Description
In TYPO3 CMS 9.0.0 through 9.5.16 and 10.0.0 through 10.4.1, it has been discovered that backend user settings (in $BE_USER->uc) are vulnerable to insecure deserialization. In combination with vulnerabilities of third party components, this can lead to remote code execution. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Typo3
PublishedMay 14, 2020
First seenMay 14, 2020
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- typo3/cms-core9.5.17, 10.4.2 or later
- typo3/cms10.4.2, 9.5.17 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| typo3 typo3 | 9.0.0 ≤ v ≤ 9.5.16, 10.0.0 ≤ v ≤ 10.4.1 | — |
| typo3/cms-corePackagist | 9.0.0 ≤ v < 9.5.17, 10.0.0 ≤ v < 10.4.2 | 9.5.17, 10.4.2 |
| typo3/cmsPackagist | 10.0.0 ≤ v < 10.4.2, 9.0.0 ≤ v < 9.5.17 | 10.4.2, 9.5.17 |
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